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Blake Ipson John Chen Matt Graeff Steven Benedict Weston Welge Team PhotoCon EXPO Lab

Critical Design Review. Blake Ipson John Chen Matt Graeff Steven Benedict Weston Welge Team PhotoCon EXPO Lab Department of Electrical, Computer, and Energy Engineering University of Colorado at Boulder. Review of Purpose. Prototype a fast lithography system accurate to 15 μ m

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Blake Ipson John Chen Matt Graeff Steven Benedict Weston Welge Team PhotoCon EXPO Lab

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  1. Critical Design Review Blake Ipson John Chen Matt Graeff Steven Benedict Weston Welge Team PhotoCon EXPO Lab Department of Electrical, Computer, and Energy Engineering University of Colorado at Boulder

  2. Review of Purpose • Prototype a fast lithography system accurate to 15μm • Drive galvanometer mirrors to draw 2D images within a 3.5mm scanning area • Coordinate laser power modulation based on input vectors • Stand-alone, modular and “transportable” Matt

  3. System Block Diagram Laser Diode/Power Supply Collimation Lens Galvo X Galvo Y Doublet Lens From Laser ~ 4% Power Tap Power Detection Camera Servo Drivers X/Y ADC External Memory DAC DAC MCU From PC Demonstration Only PC Matt

  4. Hardware – Laser diode John

  5. Hardware - Galvo John

  6. Hardware – Electronics I2C/Parallel 4 Channel ADC I2C 1 Channel DAC X Galvo X Galvo PC RS-232 Atmel 32bit AVR UC3C0512 4 Channel ADC Y Galvo 1 Channel DAC Y Galvo Laser Driver Power Meter 1 Channel DAC SPI 1 Channel ADC EEPROM Steven

  7. Software Functional Decomposition Steven

  8. Software Functional Decomposition Steven

  9. Test Results Weston

  10. Parts List Weston

  11. Division of Labor Weston

  12. Planned Deliverables • Milestone 1 • Using the Microcontroller Development board or STK600 • Laser Modulation • Rudimentary Galvo Movements using on-board flash • Oh_shit_stop! • Optics in place, calibration procedure solidified • Schematic Completed • Rudimentary layout finished Blake

  13. Planned Deliverables • Milestone 2 • Microcontroller Unit • Drawing Functionality • RS232 Interface (Debugging/Working) • C Code on PC (UI Code) Finished • PCB Revision 1 completed and being debugged • Revision 1 of User Manual complete Blake

  14. Planned Deliverables • Expo • User Manual Fully Complete • PC Interaction • Will accept vector files • Draw shapes with dots • Timed to complete per refresh of CMOS camera • System calibrated Blake

  15. Updated Schedule Blake

  16. Questions?

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